111101021002 has 32 divisors (see below), whose sum is σ = 185366937600. Its totient is φ = 49701448368.

The previous prime is 111101020999. The next prime is 111101021029. The reversal of 111101021002 is 200120101111.

It is a self number, because there is not a number n which added to its sum of digits gives 111101021002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735498 + ... + 873589.

It is an arithmetic number, because the mean of its divisors is an integer number (5792716800).

Almost surely, 2^111101021002 is an apocalyptic number.

111101021002 is a deficient number, since it is larger than the sum of its proper divisors (74265916598).

111101021002 is a wasteful number, since it uses less digits than its factorization.

111101021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609210.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111101021002 its reverse (200120101111), we get a palindrome (311221122113).

The spelling of 111101021002 in words is "one hundred eleven billion, one hundred one million, twenty-one thousand, two".